Mathematics, 20.03.2020 11:28 serenityarts123
The 68-95-99.7 Rule
About 68% of the data points fall within 1 standard deviation of the mean
About 95% of the data points fall within 2 standard deviation of the mean
About 99.7% of the data points fall within 3 standard deviations of the mean
Assume that a set test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following
1) Percentages of scores less than 100
2) Percentage of scores less than 140
3) Percentage of scores less than 80
4) Percentage of scores between 80 and 120
5) Percentage of scores between 80 and 140
Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68-95-99.7 rule to find the following
1) Percentage of rates less than 70
2) Percentage of rates less than 55
3) Percentage of rates less than 85
4) Percentage of rates greater than 85
5) Percentage of rates greater than 55
6) Percentage of rates between 55 and 100
7) Percentage of rates between 70 and 100
Answers: 3
Mathematics, 21.06.2019 16:30, chloesmolinski0909
Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls
Answers: 1
Mathematics, 21.06.2019 17:00, sciencecreation87
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
Mathematics, 21.06.2019 19:00, babygirlmiller
The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?
Answers: 1
The 68-95-99.7 Rule
About 68% of the data points fall within 1 standard deviation of th...
About 68% of the data points fall within 1 standard deviation of th...
English, 26.10.2020 16:40
Mathematics, 26.10.2020 16:40
History, 26.10.2020 16:40
Mathematics, 26.10.2020 16:40
English, 26.10.2020 16:40